Home / 1,119,095.40-1,680,392.70-646,703.40

Finding the Fourth Proportional to 1,119,095.40, 1,680,392.70 and 646,703.40

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Solution

The fourth proportional to 1,119,095.40, 1,680,392.70 and 646,703.40 is: 971,066.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,095.40 : 1,680,392.70 = 646,703.40 : x
  2. Step 2: Convert to fraction form
    1,119,095.40/1,680,392.70 = 646,703.40/x
  3. Step 3: Cross multiply
    1,119,095.40x = 1,680,392.70 × 646,703.40
  4. Step 4: Simplify right side
    1,119,095.40x = 1,086,715,672,425.18
  5. Step 5: Solve for x
    x = 1,086,715,672,425.18/1,119,095.40
  6. Step 6: Final answer
    x = 971,066.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.